Update app.py

app.py

@@ -2,7 +2,7 @@ from read_whole_sliding_images import *
 from stain_normalization import *
 import gradio as gr
 wsi2png = gr.Interface(fn=wsi2png, inputs=gr.File(), outputs=gr.Image(type='numpy'),
-                       examples=wsi2png_examples)
+                       examples=[wsi2png_examples])
 bound_png = gr.Interface(fn=read_bounds_of_image, inputs=gr.Image(type='numpy'),
                          outputs=gr.Image(type='numpy'), examples=read_bounds_examples)